TY  - BOOK
AU  - de Silva,Leopoldo
AU  - Abon,Catherine C.
AU  - Guzman, Alfonso Vincent II A.,
AU  - Dizon, Ernesto Jr. Ancheta,
AU  - Dizon, Zoraida S.,
AU  - Listanco, Eddie L.,
TI  - Earth science: teaching guide for senior high school 
U1  - 550 
PY  - 2016///
CY  - Quezon City : 
PB  - Commission on Higher Education
KW  - Earth science
ER  -